Pengembangan Fortitude Questionnaire Versi Indonesia. Jurnal Ilmiah Psikologi MIND SET, [S. l.], v. 8, n. 01, p. 31–36, 2019. DOI: 10.35814/mindset.v8i01.321. Disponível em: https://journal.univpancasila.ac.id/index.php/mindset/article/view/321. Acesso em: 4 jul. 2025.